<source>
  @type tail
  @id in_tail_startupscript
  path /var/log/startupscript.log
  pos_file "#{File.join('/var/log/', ENV.fetch('FLUENT_POS_DIR', ''), 'fluentd-startupscript.log.pos')}"
  tag startupscript
  <parse>
    @type syslog
  </parse>
</source>
